Networks
The latest technologies and best practices to secure local, virtual, cloud, and hybrid networks.
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Is SSL Secure?
Secure Sockets Layer/Transport Layer Security is the foundational technology that secures Web transactions and communications, but it is not infallible. New research dubbed Lucky13 reveals that SSL/TLS is at risk from a theoretical timing attack that could expose encrypted data. TLS headers include 13 bytes of data used for the secure handshake protocol, said… Read more
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Cisco: Mainstream Web Sites Are More Risky than Porn Sites
Cisco recently published its 2013 Annual Security Report [PDF file], which states that the highest concentration of online security threats target legitimate Web sites rather than pornography, pharmeutical or gambling sites — online shopping sites are 21 times more likely to deliver malware than counterfeit software sites, and online advertisements are 182 times more likely… Read more
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As Malware Evolves, Are AV Signatures Still Relevant?
In the beginning of the virus era, computer users were introduced to the concept of signature-based anti-virus scanners. It’s an idea whose time may well have come and gone. “Since the 1990s people have used signature-based scanners as their primary line of defense,” said Roger Thompson, chief emerging threats researcher at ICSA Labs, a research… Read more
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How to Avoid a Hacktivist Attack
Last year saw a massive surge in hacktivism – hacking motivated by political and social objectives – according to Verizon’s 2012 Data Breach Investigations Report [PDF file]. The report attributed fully 58 percent of all data stolen, more than 100 million records, to hacktivists. “The most significant change we saw in 2011 was the rise… Read more
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Anatomy of a Hack: A Case Study
In a perfect world, we would all learn about preventing hack attacks before they happen. But sometimes the hack happens first and the lessons come second. This is the tale we are talking about today – based, in true Hollywood tradition, on a true story. The lead in this story is a mid-sized organization –… Read more
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HootSuite Suffers Privacy Breach
Social media management company HootSuite recently acknowledged that e-mails sent to some users to warn them that their free trial of HootSuite Pro was about to end may have also included other users’ e-mail addresses, exposing the contact information of thousands of users. “Scores of HootSuite users have taken to Twitter to voice their displeasure… Read more
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7 IPv6 Security Risks
The rise of IPv6 could give you some severe security headaches — even if you have no current plans to implement the new networking protocol. That was the stark warning issued by Eric Vyncke, a security expert from Cisco, talking at the RSA Conference Europe in London this month. On the face of it, there… Read more
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City of Tulsa Cyber Attack Was Penetration Test, Not Hack
The City of Tulsa, Oklahoma last week began notifying residents that their personal data may have been accessed — but it now turns out that the attack was a penetration test by a company the city had hired. “City officials didn’t realize that the apparent breach was caused by the security firm, Utah-based SecurityMetrics, until… Read more
